WO2003040767A3 - Apparatus for filtering optical radiation - Google Patents

Apparatus for filtering optical radiation Download PDF

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Publication number
WO2003040767A3
WO2003040767A3 PCT/GB2002/005028 GB0205028W WO03040767A3 WO 2003040767 A3 WO2003040767 A3 WO 2003040767A3 GB 0205028 W GB0205028 W GB 0205028W WO 03040767 A3 WO03040767 A3 WO 03040767A3
Authority
WO
WIPO (PCT)
Prior art keywords
group delay
optical radiation
filtering optical
delay variation
respect
Prior art date
Application number
PCT/GB2002/005028
Other languages
French (fr)
Other versions
WO2003040767A2 (en
Inventor
Michael Kevan Durkin
Mikhail Nickolaos Zervas
Original Assignee
Southampton Photonics Ltd
Michael Kevan Durkin
Mikhail Nickolaos Zervas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southampton Photonics Ltd, Michael Kevan Durkin, Mikhail Nickolaos Zervas filed Critical Southampton Photonics Ltd
Priority to US10/494,844 priority Critical patent/US6947641B2/en
Priority to EP02772628A priority patent/EP1442325A2/en
Priority to CA002465772A priority patent/CA2465772A1/en
Priority to AU2002337386A priority patent/AU2002337386A1/en
Publication of WO2003040767A2 publication Critical patent/WO2003040767A2/en
Publication of WO2003040767A3 publication Critical patent/WO2003040767A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

Apparatus for filtering optical radiation at an operating wavelength (19), which apparatus comprises a grating (1) written into a waveguide (2), and which grating (1) has a first end (3), a second end (91), a first bandwidth (24), a maximum reflectivity (29), a first group delay variation (17) defined with respect to the first end (3), and a second group delay variation (18) defined with respect to the second end (91), wherein the first and second group delay variations (17), (18) are with respect to the first bandwidth (24), the maximum reflectivity (29) is greater than 50 %, the first group delay variation (17) is between 0.1ps and 100ps, and the second group delay variation (18) is between 0.1ps and 100ps.
PCT/GB2002/005028 2001-11-06 2002-11-06 Apparatus for filtering optical radiation WO2003040767A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US10/494,844 US6947641B2 (en) 2001-11-06 2002-11-06 Apparatus for filtering optical radiation at an operating wavelength
EP02772628A EP1442325A2 (en) 2001-11-06 2002-11-06 Apparatus for filtering optical radiation
CA002465772A CA2465772A1 (en) 2001-11-06 2002-11-06 Apparatus for filtering optical radiation
AU2002337386A AU2002337386A1 (en) 2001-11-06 2002-11-06 Apparatus for filtering optical radiation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0126740.0 2001-11-06
GBGB0126740.0A GB0126740D0 (en) 2001-11-06 2001-11-06 Bi-directional bragg gratings

Publications (2)

Publication Number Publication Date
WO2003040767A2 WO2003040767A2 (en) 2003-05-15
WO2003040767A3 true WO2003040767A3 (en) 2004-02-12

Family

ID=9925334

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/005028 WO2003040767A2 (en) 2001-11-06 2002-11-06 Apparatus for filtering optical radiation

Country Status (6)

Country Link
US (1) US6947641B2 (en)
EP (1) EP1442325A2 (en)
AU (1) AU2002337386A1 (en)
CA (1) CA2465772A1 (en)
GB (1) GB0126740D0 (en)
WO (1) WO2003040767A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1962119A1 (en) * 2007-02-20 2008-08-27 Proximion Fiber Systems AB Channelized dispersion compensation module
US11125935B2 (en) * 2019-03-11 2021-09-21 Honeywell International Inc. Optical structure for imparting a distributed phase shift to an optical signal, electro-optic modulator incorporating such structure for reduced size, low signal loss, and high extinction ratio, and related system and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445852B1 (en) * 2000-08-01 2002-09-03 University Of Southampton Optical fiber grating

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2779238B1 (en) * 1998-06-02 2003-06-27 Alsthom Cge Alkatel OPTICAL FILTER FIBER WITH MODIFIED PHOTOSENSITIVITY PROFILE
JP2000266945A (en) * 1999-01-25 2000-09-29 Alcatel Filter optical waveguide having inclined and linear chirp
US6823111B2 (en) * 2000-07-31 2004-11-23 Spectalis Corp. Optical waveguide filters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445852B1 (en) * 2000-08-01 2002-09-03 University Of Southampton Optical fiber grating

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
FECED R ET AL: "An efficient inverse scattering algorithm for the design of nonuniform fiber Bragg gratings", IEEE JOURNAL OF QUANTUM ELECTRONICS, IEEE INC. NEW YORK, US, vol. 35, no. 8, August 1999 (1999-08-01), pages 1105 - 1115, XP002223978, ISSN: 0018-9197 *
IBSEN M ET AL: "Dispersion-free fibre bragg gratings", OPTICAL FIBER COMMUNICATION CONFERENCE. (OFC). TECHNICAL DIGEST POSTCONFERENCE EDITION. ANAHEIM, CA, MARCH 17 - 22, 2001, TRENDS IN OPTICS AND PHOTONICS SERIES. TOPS. VOLUME 54, WASHINGTON, WA: OSA, US, vol. 1 OF 4, 2001, pages MC11 - MC13, XP010546001, ISBN: 1-55752-655-9 *
KIM J ET AL: "BIDIRECTIONAL WAVELENGTH ADD-DROP MULTIPLEXER USING MULTIPORT OPTICAL CIRCULATORS AND FIBER BRAGG GRATINGS", IEEE PHOTONICS TECHNOLOGY LETTERS, IEEE INC. NEW YORK, US, vol. 12, no. 5, May 2000 (2000-05-01), pages 561 - 563, XP000950328, ISSN: 1041-1135 *
See also references of EP1442325A2 *

Also Published As

Publication number Publication date
US20050152645A1 (en) 2005-07-14
EP1442325A2 (en) 2004-08-04
CA2465772A1 (en) 2003-05-15
AU2002337386A1 (en) 2003-05-19
WO2003040767A2 (en) 2003-05-15
US6947641B2 (en) 2005-09-20
GB0126740D0 (en) 2002-01-02

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